21st Century Skills/4C Skills’ Integration in English Teaching Documents Used in EFL Classroom. ELT-Lectura, [S. l.], v. 10, n. 1, p. 1–10, 2023. DOI: 10.31849/elt-lectura.v10i1.12026. Disponível em: https://journal.unilak.ac.id/index.php/ELT-Lectura/article/view/12026. Acesso em: 1 dec. 2025.